Dog Whisperer, 9 p.m., National Geographic When, oh, when, will people learn that you need to walk your dog regularly, especially if it's the size of a compact car?

Grizzly Man Diaries, 9 p.m., Animal Planet An eight-part series about Timmy Treadwell, the crackpot who thought he could live among the bears and they wouldn't eat him. He was wrong.

Say Yes to the Dress, 10 p.m., TLC Stacey London has to be getting sick and tired of all these wedding porn shows that are taking over certain channels, especially on Friday nights, when they know brides-to-be are too broke, tired and exhausted to go out with friends.

SATURDAY

SERIES PREMIERE The Cooking Loft, 9:30 a.m., Food Imagine how tough it is to come up with new and original cooking shows: This week! Heating meat so it is more easily digestible! And then, finding new ways to melt foodstuffs!

Cops: 20 Years … Caught on Tape, 8 p.m., Fox Twenty years of Floridians being able to see friends and relatives shirtless on TV.

SUNDAY

Bitten, 10 p.m., Discovery Here's a whole show about killer bees and rattlesnakes, with a little spider action thrown in. Just the thing after Sunday night dinner to make you forget you've gotten too fat to run away from any of these things.

Robot Chicken, 11:30 p.m., Cartoon Now that Venture Bros. is over for another season, Adult Swim had to throw us a bone with new episodes of something. Thank goodness it was this.